402092856 has 128 divisors (see below), whose sum is σ = 1225440000. Its totient is φ = 121150080.

The previous prime is 402092837. The next prime is 402092869. The reversal of 402092856 is 658290204.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 402092856.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 543735 + ... + 544473.

It is an arithmetic number, because the mean of its divisors is an integer number (9573750).

Almost surely, 2^402092856 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 402092856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (612720000).

402092856 is an abundant number, since it is smaller than the sum of its proper divisors (823347144).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402092856 is a wasteful number, since it uses less digits than its factorization.

402092856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 994 (or 984 counting only the distinct ones).

The product of its (nonzero) digits is 34560, while the sum is 36.

The square root of 402092856 is about 20052.2531402334. The cubic root of 402092856 is about 738.0890896481.

The spelling of 402092856 in words is "four hundred two million, ninety-two thousand, eight hundred fifty-six".